*{
	margin: 0;
	padding: 0;
}
body{
	font-family: "Microsoft YaHei";
}
.clearfix:after{
  content: "."; 
  display: block; 
  height: 0; 
  clear: both; 
  visibility: hidden;  
}

.clearfix {
  /* 触发 hasLayout */ 
  zoom: 1; 
  }
.container>.panel>form>.panel-body>.col-sm-12{
	margin-top: 20px;
}
.container>.panel>.panel-heading>h1{
	text-align: center;
}
.container>.panel>form>.panel-body>.form-group{
	margin-top : 200px;
}